Effect of Organic Fertilization Treatment, Frying Oil and Cultivar Variety on the Volatile Profile of Potato Tubers

The effect of organic fertilization and frying oil (olive, soybean and corn oil) on the volatiles’ profile of three potato cultivars (Voyager, Spunta and Lady Rosetta) was studied. During cultivation, nine treatments (T) involving the combination of nitrogen, phosphorus and potassium fertilization were applied: T1: control treatment; T2: N1, P1, K1; T3: N1, P1, K2; T4: N1, P2, K1; T5: N1, P2, K2; T6: N2, P1, K1; T7: N2, P1 K2; T8: N2, P2, K1; and T9: N2, P2, K2, where Ν1=1.3 g Ν per plant; N2=2.0 g Ν per plant; P1=3.1 g P2O5 per plant; P2=5.2 g P2O5 per plant; Κ1= 4.0 g K2O per plant; and Κ2= 6.6 g K2O per plant. The main volatile compounds identified by HS-SPME GC/MS analysis were esters, alcohols, carbonyl compounds and hydrocarbons. Principal Component Analysis revealed that nitrogen fertilization affected the volatiles’ profile only when high fertilization of P2O5 (5.2 g/plant) and K2O (6.6 g/plant) was applied.

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Effect of nitrogen, phosphorus and potassium application on yield of potato tubers (Solatium tuberosum L.)

The Journal of Agricultural Science ◽

10.1017/s0021859600079326 ◽

1987 ◽

Vol 108 (2) ◽

pp. 321-329 ◽

Cited By ~ 13

Author(s):

U. C. Sharma ◽

B. R. Arora

Keyword(s):

Field Experiments ◽

Sandy Loam ◽

Farmyard Manure ◽

Potato Tubers ◽

Solatium Tuberosum ◽

Loam Soil ◽

Potassium Application ◽

Phosphorus And Potassium ◽

Grade Increase ◽

Nitrogen Phosphorus

SummarySix field experiments, three each during 1982–3 and 1983–4, were conducted on a sandy loam soil to study the effect of varying levels of nitrogen, phosphorus and potassium, in the absence and presence of farmyard manure (FYM) (30 t/ha), on the number of tubers and yield of potato in three grades. Increase in nitrogen, phosphorus and potassium application, in the absence or presence of FYM, did not significantly affect the total number of tubers/m2 but did affect the number of tubers in different grades. An increase in nitrogen and potassium significantly decreased the number of tubers/m2 in small (< 25 g) and increased in medium (25–75 g) and large (> 75 g) grades at 45, 60, 75 and 90 days after planting. Increase in the application of phosphorus increased the number of tubers/m2 in the small grade and decreased it in the large grade but did not affect the number in the medium grade. Increase in nitrogen and potassium application decreased the tuber yield in the small grade and increased it in the medium and large grades. Applied phosphorus increased the yield in the small and medium grades and decreased it in the large grade. The increase in the yield of tubers with increase in nitrogen and potassium application was found to be caused by an increase in the number of tubers in the medium and large grades at the expense of the small grade; however, with applied phosphorus the increase in yield was due to increase in the weight of individual tubers within the small and medium grades. FYM application decreased the number of tubers in the small grade and increased it in the medium and large grades. The response of potato to nitrogen increased and to phosphorus and potassium decreased with the application of FYM.

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Response of soil sulfur availability to elevation and degradation in the Wugong Mountain meadow, China

Plant Soil and Environment ◽

10.17221/83/2017-pse ◽

2017 ◽

Vol 63 (No. 6) ◽

pp. 250-256 ◽

Cited By ~ 2

Author(s):

Li Zhi ◽

Zhang Ling ◽

Chen Jing ◽

Zhang Xueling ◽

Yu Suqin ◽

...

Keyword(s):

Nutrient Management ◽

Soil Nutrient ◽

Principal Component ◽

Elevation Gradients ◽

Nutrients Cycling ◽

Phosphorus And Potassium ◽

Major Nutrients ◽

Nutrient Changes ◽

Soil Sulfur ◽

Nitrogen Phosphorus

Vegetation restorations of degraded meadows have been widely implemented. The evaluation of soil nutrient changes as affected by degradation is vital for efficient restorations. However, while macronutrients (nitrogen, phosphorus and potassium) have been widely investigated, sulfur (S) as one important element correlated tightly with other nutrients has not been thoroughly studied. Two studies were conducted to determine changes of sulfur as affected by degradation and elevation gradients. The results showed that available S (AS) changed non-linearly with elevation and the first principal component based on other soil nutrient variables. Soil AS depended on degradation levels and contributed substantially to the separation of meadows with different degradation levels. Moreover, AS responded stronger to changes in elevation gradients and degradation levels compared with other major nutrients. Thereby, AS could be an important nutrient responding to meadow disturbance, which should be considered in future studies on meadow soil nutrients cycling and vegetation restorations. The findings have implications for ecological restoration of degraded meadows with respect to soil nutrient management and conservations.

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Nitrogen, phosphorus and potassium status of rice co-planted with a novel phytoremediator, Marsilea minuta L.

Bangladesh Journal of Agricultural Research ◽

10.3329/bjar.v43i2.37326 ◽

2018 ◽

Vol 43 (2) ◽

pp. 211-218

Author(s):

U Hassi ◽

MT Hossain ◽

SMI Huq

Keyword(s):

Oryza Sativa L ◽

Negative Relationship ◽

Nutrient Content ◽

Control Treatment ◽

P Value ◽

Aquatic Fern ◽

Significant Negative Relationship ◽

Significant Difference ◽

Phosphorus And Potassium ◽

Nitrogen Phosphorus

A pot experiment was carried out to assess the effects of arsenic and aquatic fern (Marsilea minuta L.), when applied as a phytoremediator, on the nutrient content (nitrogen, phosphorus, and potassium) of rice. Two sets of pot experiments were conducted in the net house on rice (Oryza sativa L.) together with aquatic fern (M. minuta) and on aquatic fern (M. minuta) alone where soils were treated with 1 mg/L As-solution at 80% arsenite and 20% arsenate. No significant difference was found in the nitrogen, phosphorus, and potassium concentrations of rice, in the absence of arsenic, whether grown in the presence of M. minuta or not. The uptake of total nitrogen, phosphorus, and potassium was found to be 36%, 23%, and 22% more, respectively in rice plants treated with M. minuta and arsenic over the control treatment, although the results were statistically insignificant. However, a significant negative relationship was found between arsenic and root nitrogen (P-value of 0.0017) when grown together with arsenic and M. minuta. A significant positive relationship was found between arsenic and shoot phosphorus (P-value of 0.0025) as well as arsenic and shoot and root potassium (P-values were 0.0045 and 0.0115, respectively). The results indicate that Marsilea minuta might be used as a phytoremediator of As together with rice plants.Bangladesh J. Agril. Res. 43(2): 211-218, June 2018

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Model calculations for the effects of nitrogen, phosphorus, and potassium nutrition on the behaviour of potato tubers in storage

Potato Research ◽

10.1007/bf02358073 ◽

1995 ◽

Vol 38 (1) ◽

pp. 87-96 ◽

Cited By ~ 1

Author(s):

H. Kolbe ◽

Wei-Li Zhang

Keyword(s):

Potato Tubers ◽

Potassium Nutrition ◽

Model Calculations ◽

Phosphorus And Potassium ◽

Nitrogen Phosphorus

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Accumulation of macronutrients and productivity of potato with foliar application of biofertilizer

10.7764/ijanr.v48i2.2269 ◽

2021 ◽

Vol 48 (2) ◽

pp. 70-82

Author(s):

Lucas Pinheiro Araújo ◽

◽

Roberta Camargos Oliveira ◽

Regina Maria Quintao Lana ◽

JOSÉ MAGNO QUEIROZ LUZ ◽

...

Keyword(s):

Organic Compounds ◽

Foliar Application ◽

Chemical Fertilizer ◽

Soluble Solids ◽

Plant Metabolism ◽

Potato Tubers ◽

Maximum Accumulation ◽

Positive Effects ◽

Phosphorus And Potassium ◽

Nitrogen Phosphorus

The addition of organic compounds to fertilizers has shown positive effects on plant metabolism. This study aimed to evaluate the macronutrient accumulation and productivity of potato with the use of biofertilizer (BF) applied to the leaves. A 2×7 factorial plot with a plot subdivided in time and ten replications used two forms of fertilization: a chemical fertilizer with conventional NPK (nitrogen, phosphorus and potassium: control) and conventional fertilizer plus biofertilizers (BF); evaluations were performed 31, 41, 51, 61, 71, 81 and 91 days after planting (DAP) using the Jelly cultivar. The BF increased the maximum N, K, Ca and Mg accumulations in the leaves, especially N and K, with the period of greatest accumulation occurring between 62 and 66 DAP. The accumulations of N, P, K, Ca and Mg in the tubers accelerated from 71 DAP. At the end of the cycle (e.g., 91 DAP), the increases in the nutrient accumulations of N, P, K and Ca were between 30 and 64% higher for the BF application, the Mg accumulations doubled and the S accumulations exhibited no differences between the evaluation periods. For the leaves, the following decreasing sequence of maximum accumulation was observed: K>N>Ca>Mg>S>P. For the tubers, the following decreasing sequence was obtained: K>N>P>Ca>Mg>S. The use of biofertilizers caused higher productivity of tubers of greater caliber and soluble solids contents in the cv. Jelly potato tubers.

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